import java.io.*;
public class Example10_12 {
    public static void main(String[] args) {
        String command = "渡江总攻的时间是4月22日晚10点";
        EncryptAndDecrypt person = new EncryptAndDecrypt();
        String password = "Tiger";
        String secret = person.encrypt(command,password);
        File file = new File("secret.txt");
        try { FileOutputStream fos = new FileOutputStream(file);
            DataOutputStream outData = new DataOutputStream(fos);
            outData.writeUTF(secret);
            System.out.println("加密命令:"+secret);
        }
        catch (IOException e) {}
        try { FileInputStream fis = new FileInputStream(file);
            DataInputStream inData = new DataInputStream(fis);
            String str = inData.readUTF();
            String mingwen = person.decrypt(str,password);
            System.out.println("解密命令:"+mingwen);
        }
        catch (IOException e) {}
    }
}
